Gate driver unit for electrical switching device

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United States of America Patent

PATENT NO 8963585
APP PUB NO 20130328599A1
SERIAL NO

13964366

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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An exemplary apparatus and method for using intelligent gate driver units with distributed intelligence to control antiparallel power modules or parallel-connected electrical switching devices like IGBTs is disclosed. The intelligent gate drive units use the intelligence to balance the currents of the switching devices, even in dynamic switching events. The intelligent gate driver units can use master-slave or daisy chain control structures and instantaneous or time integral differences of the currents of parallel-connected switching devices as control parameters. Instead of balancing the currents, temperature can also be balanced with the intelligent gate driver units.

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Patent Owner(s)

  • ABB RESEARCH LTD.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Bortis, Dominik Zürich, CH 14 42
Kolar, Johann Walter Zürich, CH 19 183
Laitinen, Matti Kirkkonummi, FI 17 102
Lobsiger, Yanick Aarau, CH 4 52

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